num = 8
num2 = 2
num3 = 1
try:
    num3 = int(num) / int(num2)
    raise ZeroDivisionError('错误啦,任何数都是错误')
except ZeroDivisionError as e:
    print('除数不能为0', e)
except:
    print('这里什么时候执行...')
else:
    print('运行没有被except语句捕获，执行else模块')
finally:
    print('输入完成')
    print("结果为:", num3)
